The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 29, 2016
Filed:
Nov. 25, 2011
Silke Haag, Ilsfeld-Auenstein, DE;
Helmut Denz, Stuttgart, DE;
Andreas Pape, Oberriexingen, DE;
Manfred Franz, Ditzingen, DE;
Silke Haag, Ilsfeld-Auenstein, DE;
Helmut Denz, Stuttgart, DE;
Andreas Pape, Oberriexingen, DE;
Manfred Franz, Ditzingen, DE;
ROBERT BOSCH GMBH, Stuttgart, DE;
Abstract
In a venting system, in particular for a fuel tank of a motor vehicle, which has a sorption filter for temporarily storing fuel evaporating from the fuel tank and a fluid-conveying conveying device situated between the sorption filter and an air supply or an intake manifold of an internal combustion engine, according to the present system, the conveying device is a bidirectional conveying device which is switchable in a first conveying direction in the direction of the internal combustion engine for regenerating the sorption filter and in a second conveying direction in the direction of the sorption filter for carrying out a fuel tank leak diagnosis.